Home / 229,795.07-317,030.04-142,539.68

Finding the Fourth Proportional to 229,795.07, 317,030.04 and 142,539.68

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Solution

The fourth proportional to 229,795.07, 317,030.04 and 142,539.68 is: 196,650.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,795.07 : 317,030.04 = 142,539.68 : x
  2. Step 2: Convert to fraction form
    229,795.07/317,030.04 = 142,539.68/x
  3. Step 3: Cross multiply
    229,795.07x = 317,030.04 × 142,539.68
  4. Step 4: Simplify right side
    229,795.07x = 45,189,358,866.84
  5. Step 5: Solve for x
    x = 45,189,358,866.84/229,795.07
  6. Step 6: Final answer
    x = 196,650.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.